package com.dundun.service.impl;

import com.aliyun.oss.ClientException;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.OSSException;
import com.dundun.service.OssUploadService;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.io.InputStream;
import java.util.UUID;
@Service("OssUploadService")
public class OssUploadServiceImpl implements OssUploadService {
    public String uploadfile(MultipartFile multipartFile) {
        // Endpoint以华东1（杭州）为例，其它Region请按实际情况填写。
        String endpoint = "oss-cn-hangzhou.aliyuncs.com";
        // 阿里云账号AccessKey拥有所有API的访问权限，风险很高。强烈建议您创建并使用RAM用户进行API访问或日常运维，请登录RAM控制台创建RAM用户。
        String accessKeyId = "LTAI5tHmJFNQqUWwPm7ce54X";
        String accessKeySecret = "dtE60gGSII7ZyQ9EmmUPXRI6MWDwmQ";
        // 填写Bucket名称，例如examplebucket。
        String bucketName = "dunimg";

        // 创建OSSClient实例。
        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);

        try {
            // 创建存储空间。
            ossClient.createBucket(bucketName);
            //获取文件上传的流
            InputStream inputStream = multipartFile.getInputStream();
            //构建目录
            String path = "logo";
            //获取文件名
            String originalFilename = multipartFile.getOriginalFilename();
            String filename = UUID.randomUUID().toString();
            String suffix = originalFilename.substring(originalFilename.lastIndexOf("."));
            String newName = filename + suffix;
            String fileUrl = path + "/" + newName;
            //文件上传到阿里云服务器
            ossClient.putObject(bucketName,fileUrl,inputStream);
            return "https://"+bucketName+"."+endpoint+"/"+fileUrl;
        } catch (OSSException oe) {
            System.out.println("Caught an OSSException, which means your request made it to OSS, "
                    + "but was rejected with an error response for some reason.");
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:" + oe.getErrorCode());
            System.out.println("Request ID:" + oe.getRequestId());
            System.out.println("Host ID:" + oe.getHostId());
        } catch (ClientException | IOException ce) {
            System.out.println("Caught an ClientException, which means the client encountered "
                    + "a serious internal problem while trying to communicate with OSS, "
                    + "such as not being able to access the network.");
            System.out.println("Error Message:" + ce.getMessage());
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
        return endpoint;
    }
}
